[rclcpp] API review March 2020 (#1031)
[rclcpp] API review March 2020 (#1031)

* API review part 1

Signed-off-by: William Woodall <c824fe0afe16857dd6f587aa7c4044d2642d60fb@osrfoundation.org>

* update pre second meeting

Signed-off-by: William Woodall <c824fe0afe16857dd6f587aa7c4044d2642d60fb@osrfoundation.org>

* notes from 2020-03-23 meeting

Signed-off-by: William Woodall <c824fe0afe16857dd6f587aa7c4044d2642d60fb@osrfoundation.org>

* online review comments

Signed-off-by: William Woodall <c824fe0afe16857dd6f587aa7c4044d2642d60fb@osrfoundation.org>
ros2/rclcpp,ros2/rclcpp